Building agents

38,215 mods in this category, of every kind an agent can take. Each one carries what it costs per session, what the scan found, and whether it is the original.

seo-llm-site-architect

2161

sergekostenchuk/ui-ux-agent-skill-system

Skill Codex

Senior-architect workflow for creating, editing, auditing, and monitoring SEO, AEO/GEO, LLM-readable, and AI-agent-friendly websites. Use when the user asks about SEO, technical SEO, organic visibility, AI search visibility, ChatGPT/Claude/Perplexity/Gemini readiness, robots.txt, sitemap.xml, llms.txt…

not rated 23 yesterday A 127 tokens original Apache-2.0

sota-skills

2162

martinholovsky/SOTA-skills

Plugin Claude Code

Bundles 42 skills, 1 hook · 8,948 tokens together

State-of-the-art engineering skills (2026) for building and auditing software across 41 domains and languages — security, architecture, APIs, databases, cloud, Kubernetes, web frameworks, observability, testing, LLM engineering, UX writing, copywriting, and more — with a master router and BUILD/AUDIT modes (42 skills).

not rated 23 +5 changed today A tokens not measured CC-BY-4.0

agent-bus

2163

olafkfreund/nixos_config

Skill Claude CodeCodex

Talk to the other coding agents working on these machines, over the shared Matrix room on p510. Use when you have just learned something the next agent would want — a gotcha with its cause, a root cause, a decision and why — when you want to know whether anyone has already hit the problem in front of you, before…

not rated 23 changed 9d ago A 178 tokens GPL-3.0

master-orchestrator

2164

j4flmao/agent-skills

Skill Claude CodeCodex

Use this skill when the user says 'start', 'help me build', 'initialize', 'I want to build X', 'where do I start', 'what should I do next', 'what skill should I use', or any open-ended project initiation. This is the single entry point for the entire skill suite. It inspects the project filesystem for existing…

not rated 23 +1 8d ago A SkillSpector: pass 113 tokens original MIT

magnusfroste/flowwink

Skill Claude CodeCodex

Admin Copilot site-builder loop (copilot-action) is exposed as MCP skill buildsitestep so external claws drive the same loop the admin UI uses.

not rated 24 yesterday A 41 tokens original MIT

whitelabel-claude

2166

147228/whitelabel-claude

Skill Claude CodeCodex

A setup tool for connecting Claude Code to language-model services that use Anthropic's Messages API, such as DeepSeek, Kimi, OpenRouter, or a self-hosted service. It can also change Claude Code's displayed brand and package the result for distribution.

not rated 22 5mo ago C 125 tokens

ccem

2167

Genuifx/ccem

Skill Claude CodeCodex

Use when the user asks an agent to operate CCEM or CCEM Desktop, including creating workspace sessions, opening or inspecting ccem:// session links, monitoring task progress, scheduling CCEM cron work, or using bot binding flows. Prefer structured ccem ... --json commands.

not rated 22 today A 60 tokens

skillset-authoring

2168

WalterSumbon/better-claw

Skill Claude CodeCodex

Guide for authoring Better-Claw skill sets and skills — directory structure, SKILL.md/SKILLSET.md format, frontmatter fields, best practices, and testing methods.

not rated 22 5mo ago A 41 tokens

whatsup

2169

sshh12/claude-plugins

Plugin Claude Code

Bundles 1 skill, 1 MCP server · 116 tokens together

WhatsApp MCP server for Claude Code via Baileys — bidirectional channel with allowlist gating, push notifications, and the reply/react/edit/download tool surface.

not rated 22 2mo ago A tokens not measured original MIT

skillmaxxing

2170

Bennyoooo/Airbot

Plugin Claude Code

Bundles 4 skills, 2 hooks · 284 tokens together

Self-evolving skills for your coding agent. Auto-creates and auto-improves skills as you work — no trigger needed.

not rated 22 13d ago A tokens not measured original MIT

eep-adopt-app

2173

eep-dev/EEP

Skill Claude CodeCodex

User wants the Entity Engagement Protocol in their application—EEP, signed webhooks, SSE, gates, "agent-ready API," or running eep-dev/agent-adopt. Use for adopt EEP, add EEP, EEP webhooks, not for generic REST without EEP.

not rated 22 2d ago A SkillSpector: warn 63 tokens original Apache-2.0

ironmesh-send

2174

WizTheAgent/IronMesh

Skill Claude Code

Send an application message (MSG) to a specific IronMesh peer. Use when the user asks to "send X to agent Y" or "ping peer Z". Has side effects — only invoke when the user explicitly asks.

not rated 22 4d ago A SkillSpector: warn 49 tokens original MIT

manage-codex-skills

2175

WildPigKing/codex-project-skill-manager

Skill Codex

Inventory, classify, route, catalog, relocate, or validate Codex skills and generate a skills menu. Use for skill-library organization or when Codex must find task-relevant skills. Classification, relocation, creation, revision, and promotion require user approval.

not rated 22 19d ago A 58 tokens original MIT

autoevolve

2176

MrTsepa/autoevolve

Skill Claude CodeCodex

Iteratively improve code, strategies, or prompts through mutation, evaluation, and selection.

not rated 22 2mo ago A 20 tokens original MIT

agent-creator

2177

aws-samples/sample-agentic-chatbot-accelerator

Plugin Claude Code ✓ vendor

Bundles 1 skill · 97 tokens together

Create and update AgentCore runtime agents in a DEPLOYED instance of this accelerator. Use whenever the user wants to create a new agent, build an orchestrator/swarm/graph agent, add or remove tools/MCP-servers/skills from an existing agent, change an agent's model or system prompt, or otherwise modify a live runtime…

not rated 22 4d ago A tokens not measured MIT-0

skill-creator

2178

dashed/claude-marketplace

Skill Claude CodeCodex

Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, update or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for better triggering accuracy.

not rated 22 4d ago A 63 tokens

agent-email-patterns

2179

agentmail-to/agentmail-skills

Skill Claude CodeCodex

Architecture patterns for AI agents that communicate over email -- why agents need dedicated inboxes rather than human email accounts, infrastructure/provider tradeoffs, one-inbox-per-agent, two-way conversation loops, human-in-the-loop drafts, WebSocket vs webhook event design, multi-agent topologies, OTP flows, and…

not rated 22 1mo ago A Socket: passSnyk: warn 125 tokens

night-shift

2180

ppuliu/night-shift

Plugin Claude Code

Bundles 1 skill · 202 tokens together

Autonomous overnight agent that keeps coding while the human is away — small, reversible, dual-LLM-reviewed commits for up to 8 hours on a feature branch.

not rated 22 4mo ago A tokens not measured original MIT

book-distill

2181

michaelpersonal/book-distill

Skill Claude Code

Distill any book into an executable Claude Code skill pack. Evaluates skillability, generates structured skills with modules/templates/examples, and supports multi-book synthesis. Use when you want to turn a book's methods into repeatable, actionable skills.

not rated 22 5mo ago A 52 tokens

jiepi-skill

2182

Pluviobyte/jiepi-skill

Skill Claude CodeCodex

洁癖 Skill: Audit installed AI agent skills across Codex, Claude Code, Cursor, and optional project-local skill folders. Use when the user asks which skills are installed, how often Claude Code/Codex/Cursor used skills, whether a skill was used recently, which skills are stale or unused, or wants cleanup/removal/disable…

not rated 22 2mo ago A 78 tokens

vibe-coding-prd

2183

gjbjzyvivian-netizen/vibe-coding-prd

Skill Claude CodeCodex

A workflow for turning rough requirements, product documents, or competitor research into a concise product brief for coding agents such as Claude Code, Codex, or Cursor. It includes features, technical choices, prototypes, details, and testable acceptance criteria.

not rated 22 2mo ago A 139 tokens original MIT

slack-agent

2184

vercel-labs/slack-agent-skill

Skill Claude Code needs its repo ✓ vendor

Use when building Slack agents/bots with eve (Vercel's filesystem-first agent framework), @vercel/connect, or eve/channels/slack. Covers defineAgent/defineTool patterns, Vercel Connect credential brokering, Slack channel setup, testing requirements, and quality standards.

not rated 22 2mo ago A 62 tokens original Apache-2.0

At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: